Giabear23
13.01.2021 •
Mathematics
Complete the missing value in the solution to the equation.
5x - 2y = 30
(8, ? )
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Ответ:
y = 5
Step-by-step explanation:
5x - 2y = 30
(8, ? )
5 · 8 - 2y = 30
40 - 2y = 30
40 - 2y - 40 = 30 - 40
- 2y = - 10
- 2y ÷ (- 2) = - 10 ÷ (- 2)
y = 5
(8, 5)
Ответ:
67
Step-by-step explanation: